/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.result


import androidx.arch.core.executor.testing.CountingTaskExecutorRule
import androidx.room.RoomDatabase
import org.junit.After
import org.junit.Before
import org.junit.Rule
import java.util.concurrent.TimeUnit

abstract class DbTest< T:RoomDatabase>() {
    @Rule
    @JvmField
    val countingTaskExecutorRule = CountingTaskExecutorRule()
    lateinit var db: T
    abstract fun requireDb():T
    @Before
    fun initDb() {
        db = requireDb()
    }

    @After
    fun closeDb() {
        countingTaskExecutorRule.drainTasks(10, TimeUnit.SECONDS)
        db.close()
    }
}
